Simple Machines

123456789101112131415161718
Across
  1. 2. Force exerted on an object which causes it to move
  2. 3. flat-shaped surface
  3. 5. a device that changes the amount of force exerted
  4. 7. Force exerted on a machine
  5. 10. number of times the machines force increases
  6. 14. inclined plane that moves, thick at one side thin at the other
  7. 15. work done by a machine
  8. 16. percentage of output work converted into input work
  9. 17. groved wheel with rope or cable around it
  10. 18. The rate of which work is done
Down
  1. 1. Unit of work, Equal to one newton
  2. 4. a device that includes 2 or more machines
  3. 6. Inclined plane wrapped around a cylinder
  4. 8. the fixed point
  5. 9. two circular devices that is fastend and rotates on its axis
  6. 11. The force exerted by a machine
  7. 12. rigid bar free to pivot or rotate
  8. 13. The work done on a machine